Class: Cistern::Model

Inherits:
Object
  • Object
show all
Extended by:
Attributes::ClassMethods
Includes:
Attributes::InstanceMethods
Defined in:
lib/cistern/model.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Attributes::ClassMethods

_load, aliases, attribute, attributes, identity, ignore_attributes, ignored_attributes

Methods included from Attributes::InstanceMethods

#_dump, #attributes, #attributes=, #changed, #dirty?, #dirty_attributes, #dup, #identity, #identity=, #merge_attributes, #new_record?, #read_attribute, #requires, #requires_one, #write_attribute

Constructor Details

#initialize(attributes = {}) ⇒ Model

Returns a new instance of Model.



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# File 'lib/cistern/model.rb', line 15

def initialize(attributes={})
  merge_attributes(attributes)
end

Instance Attribute Details

#collection ⇒ Object

Returns the value of attribute collection.



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# File 'lib/cistern/model.rb', line 5

def collection
  @collection
end

#connection ⇒ Object

Returns the value of attribute connection.



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# File 'lib/cistern/model.rb', line 5

def connection
  @connection
end

Instance Method Details

#==(comparison_object) ⇒ Object Also known as: eql? 



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# File 'lib/cistern/model.rb', line 38

def ==(comparison_object)
  super ||
    (comparison_object.is_a?(self.class) &&
     comparison_object.identity == self.identity &&
     !comparison_object.new_record?)
end

#hash ⇒ Object 



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# File 'lib/cistern/model.rb', line 47

def hash
  if self.identity
    [self.class, self.identity].join(":").hash
  else
    super
  end
end

#inspect ⇒ Object 



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# File 'lib/cistern/model.rb', line 7

def inspect
  if Cistern.formatter
    Cistern.formatter.call(self)
  else
    "#<#{self.class} #{self.identity}"
  end
end

#reload ⇒ Object 



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# File 'lib/cistern/model.rb', line 28

def reload
  requires :identity

  if data = collection.get(identity)
    new_attributes = data.attributes
    merge_attributes(new_attributes)
    self
  end
end

#save ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/cistern/model.rb', line 24

def save
  raise NotImplementedError
end

#service ⇒ Object 



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# File 'lib/cistern/model.rb', line 55

def service
  self.connection ? self.connection.class : Cistern
end

#update(attributes) ⇒ Object 



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# File 'lib/cistern/model.rb', line 19

def update(attributes)
  merge_attributes(attributes)
  save
end

#wait_for(timeout = self.service.timeout, interval = self.service.poll_interval, &block) ⇒ Object 



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# File 'lib/cistern/model.rb', line 59

def wait_for(timeout = self.service.timeout, interval = self.service.poll_interval, &block)
  service.wait_for(timeout, interval) { reload && block.call(self) }
end

#wait_for!(timeout = self.service.timeout, interval = self.service.poll_interval, &block) ⇒ Object 



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# File 'lib/cistern/model.rb', line 63

def wait_for!(timeout = self.service.timeout, interval = self.service.poll_interval, &block)
  service.wait_for!(timeout, interval) { reload && block.call(self) }
end